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Mathematics 18 Online
Mathplayer223:

pre calculus help please

Mathplayer223:

loganisbored:

so what answers do you know are false?

Mathplayer223:

C

loganisbored:

ok so now we can cross out c

loganisbored:

What about a b or d?

loganisbored:

which do you beleive/assume to be correct

Mathplayer223:

I assume D

loganisbored:

Ok

loganisbored:

7+?=10

Mathplayer223:

3

loganisbored:

mhm

loganisbored:

so we can assume that its not subtraction its addition

loganisbored:

they added 7 to 3

loganisbored:

so cross out any that have to do with taking away

Mathplayer223:

A?

loganisbored:

You said you assumed D right?

Mathplayer223:

yes

loganisbored:

and thats the only one that highlights addition

Mathplayer223:

yes

loganisbored:

So if you have to use addition to get from 3 to 10 then whats the answer?

Mathplayer223:

D?

loganisbored:

Yep

Mathplayer223:

thanks

loganisbored:

Your welcome

Mathplayer223:

actually its wrong

loganisbored:

oh

loganisbored:

oops

loganisbored:

Sorry im not very good at calc

loganisbored:

but than it should be a or b

loganisbored:

wait no not b

Mathplayer223:

then what?

snowflake0531:

"The Transitive Property states that for all real numbers x ,y, and z, if x=y and y=z , then x=z " https://www.varsitytutors.com/hotmath/hotmath_help/topics/reflexive-symmetric-transitive-properties#:~:text=The%20Transitive%20Property%20states%20that,in%20any%20equation%20or%20expression. \(x=y\\y=z\\so~x=z\) \(x=y+7\\y+7=10\\x=10\) so, it's the transitive property

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